Home / 111,919,856,117.05-167,708,954,828.64-66,451,026,931.46

Finding the Fourth Proportional to 111,919,856,117.05, 167,708,954,828.64 and 66,451,026,931.46

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Solution

The fourth proportional to 111,919,856,117.05, 167,708,954,828.64 and 66,451,026,931.46 is: 99,575,112,590.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,919,856,117.05 : 167,708,954,828.64 = 66,451,026,931.46 : x
  2. Step 2: Convert to fraction form
    111,919,856,117.05/167,708,954,828.64 = 66,451,026,931.46/x
  3. Step 3: Cross multiply
    111,919,856,117.05x = 167,708,954,828.64 × 66,451,026,931.46
  4. Step 4: Simplify right side
    111,919,856,117.05x = 11,144,432,273,964,966,871,040
  5. Step 5: Solve for x
    x = 11,144,432,273,964,966,871,040/111,919,856,117.05
  6. Step 6: Final answer
    x = 99,575,112,590.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.